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Full text of "The Cambridge Natural History"

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other hand they differ from, most Ungulates in the incisors gro
ing from persistent pulps., a point in whieli tliey resemble i
Rodentia. The muffle also is split as in those animals. T
Hyraeoidea are peculiar in the fact that in addition f-o the caeci
at- the junction of the small and large intestines, there are a pj
of caeca (bird-like in being paired) some way down the lai
intestine. The dorsal vertebrae are unusually numerous, 22. T
adult dentition according to "Woodward,1 who has recently €
ainined the matter, is I •§- C (-J-) Pm -J M -§-, while the m:
dentition is If C |- Pin-J."

The inclusion  of the eanine of the  permanent set of teeth,
brackets  signifies  that  it  is   the  milk canine which   occasional

Fia. 120.—Cape Hyrax.     Myrasx cajpenazs.      x J.
persists. It should further be remarked about the teeth tl
they are both hypselodont and braehyodont, the extremes bei
connected by intermediate forms. Another peculiarity of i
genus is the dorsal gland, which is covered with hair of a differ*
colour to that covering the body generally. This is present in
The genus Syraw (the most  recent  authority on   the subj<
Mr.   Oldfield  Thomas,2 only  allows one   genus) is   limited  in
range  to  Ethiopian Africa   and  to   Arabia,  including   Palesti
It does not reach Madagascar.   Mr. Thomas allows fourteen spec
with two or three sub-species.
1 M.   F.   Woodward   "On the Milk Dentition of ProcaMa (Htjrax} eapei
etc," Proc. Zool. Soc. 1892, p. 38.
a  "On the Species of tlie Hyracoidea/' JfVoo. Zool. Soc. 1892, p. 50.